Summary:Herb and Charlie, a couple of mis-matched brothers-in-law, are hired by a cruise ship to dance with widowed women. Trouble ensues, however, when they begin scheming to cheat some of the women out of their money. While Charlie continues to chase the beautiful and wealthy Liz, Herb unexpectedly finds romance with Vivian, who has been brought aboard by her daughter and son-in-law in an attempt to show her a good time.